Brookings Municipal Utilities

NPDES permit SD0023388 · Major POTW · administratively continued, expires 2013-09-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2013-09-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

2values over a limit
0required values missing, on 0 form(s)
0of 22 forms filed late

Last period with anything received: 2026-07-31. Most often over: Coliform, fecal general (1), Nitrogen, ammonia total [as N] (1).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among SD permits in EPA's filings — check your permit).

Limits in force (108)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigrade30DA AVG report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Flow rate30DA AVG report only all year
001Flow rateDAILY MX report only all year
001Oxygen, dissolved [DO]DAILY MN >= 6 mg/L Jan, Feb, Mar, May, Oct, Nov, Dec
001Oxygen, dissolved [DO]DAILY MN >= 5 mg/L Apr, Jun, Aug, Sep
001Oxygen, dissolved [DO]DAILY MN >= 5.5 mg/L Jul
001BOD, 5-day, 20 deg. C30DA AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CMX 7D AV <= 45 mg/L all year
001BOD, 5-day, 20 deg. C30DA AVG <= 354 lb/d Jan
001BOD, 5-day, 20 deg. C30DA AVG <= 350 lb/d Feb
001BOD, 5-day, 20 deg. C30DA AVG <= 933 lb/d Mar
001BOD, 5-day, 20 deg. C30DA AVG <= 1560 lb/d Apr
001BOD, 5-day, 20 deg. C30DA AVG <= 1475 lb/d May
001BOD, 5-day, 20 deg. C30DA AVG <= 570 lb/d Jun
001BOD, 5-day, 20 deg. C30DA AVG <= 443 lb/d Jul
001BOD, 5-day, 20 deg. C30DA AVG <= 423 lb/d Aug
001BOD, 5-day, 20 deg. C30DA AVG <= 636 lb/d Sep
001BOD, 5-day, 20 deg. C30DA AVG <= 1011 lb/d Oct
001BOD, 5-day, 20 deg. C30DA AVG <= 505 lb/d Nov
001BOD, 5-day, 20 deg. C30DA AVG <= 749 lb/d Dec
001BOD, 5-day, 20 deg. CMX 7D AV <= 354 lb/d Jan
001BOD, 5-day, 20 deg. CMX 7D AV < 350 lb/d Feb
001BOD, 5-day, 20 deg. CMX 7D AV <= 933 lb/d Mar
001BOD, 5-day, 20 deg. CMX 7D AV <= 2340 lb/d Apr
001BOD, 5-day, 20 deg. CMX 7D AV <= 1868 lb/d May
001BOD, 5-day, 20 deg. CMX 7D AV <= 570 lb/d Jun
001BOD, 5-day, 20 deg. CMX 7D AV <= 443 lb/d Jul
001BOD, 5-day, 20 deg. CMX 7D AV <= 423 lb/d Aug
001BOD, 5-day, 20 deg. CMX 7D AV <= 636 lb/d Sep
001BOD, 5-day, 20 deg. CMX 7D AV <= 1180 lb/d Oct
001BOD, 5-day, 20 deg. CMX 7D AV <= 505 lb/d Nov
001BOD, 5-day, 20 deg. CMX 7D AV <= 749 lb/d Dec
001BOD, 5-day, 20 deg. C30DA AVG report only all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Alkalinity, total [as CaCO3]30DA AVG report only all year
001Alkalinity, total [as CaCO3]DAILY MX report only all year
001Solids, total suspended30DA AVG <= 30 mg/L all year
001Solids, total suspendedMX 7D AV <= 45 mg/L all year
001Solids, total suspended30DA AVG report only all year
001Nitrogen, ammonia total [as N]30DA AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]30DA AVG <= 148.8 lb/d Jan
001Nitrogen, ammonia total [as N]30DA AVG <= 147.2 lb/d Feb
001Nitrogen, ammonia total [as N]30DA AVG <= 140 lb/d Mar
001Nitrogen, ammonia total [as N]30DA AVG <= 88.4 lb/d Apr
001Nitrogen, ammonia total [as N]30DA AVG <= 83.6 lb/d May
001Nitrogen, ammonia total [as N]30DA AVG <= 38 lb/d Jun
001Nitrogen, ammonia total [as N]30DA AVG <= 29.5 lb/d Jul
001Nitrogen, ammonia total [as N]30DA AVG <= 28.2 lb/d Aug
001Nitrogen, ammonia total [as N]30DA AVG <= 50.9 lb/d Sep
001Nitrogen, ammonia total [as N]30DA AVG <= 40.5 lb/d Oct
001Nitrogen, ammonia total [as N]30DA AVG <= 173.9 lb/d Nov
001Nitrogen, ammonia total [as N]30DA AVG <= 157.2 lb/d Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 177.1 lb/d Jan
001Nitrogen, ammonia total [as N]DAILY MX <= 175.3 lb/d Feb
001Nitrogen, ammonia total [as N]DAILY MX <= 213.9 lb/d Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 161.2 lb/d Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 152.4 lb/d May
001Nitrogen, ammonia total [as N]DAILY MX <= 72.2 lb/d Jun
001Nitrogen, ammonia total [as N]DAILY MX <= 56.1 lb/d Jul
001Nitrogen, ammonia total [as N]DAILY MX <= 53.6 lb/d Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 89 lb/d Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 70.8 lb/d Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 210.3 lb/d Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 212.1 lb/d Dec
001Nitrogen, nitrate total [as N]30DA AVG report only all year
001Nitrogen, nitrate total [as N]DAILY MX report only all year
001Hardness, total [as CaCO3]30DA AVG report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Copper, total recoverable30DA AVG report only all year
001Copper, total recoverableDAILY MX report only all year
001Chlorine, total residualDAILY MX <= .019 mg/L all year
001Coliform, fecal general30DA GEO <= 1000 #/100mL May, Jun, Jul, Aug, Sep
001Coliform, fecal generalDAILY MX <= 2000 #/100mL May, Jun, Jul, Aug, Sep
001Coliform, total general30DA GEO <= 5000 #/100mL all year
001Coliform, total generalDAILY MX <= 20000 #/100mL all year
001BOD, carbonaceous [5 day, 20 C]30DA AVG report only all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Hydrocarbons, total petroleumDAILY MX <= 1 mg/L all year
001Oil and grease visualDAILY MX <= 0 N=0;Y=1 all year
001IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MN > 70 % Jan
001IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MN > 71 % Feb
001IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MN > 53 % Mar
001IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MN > 33 % Apr
001IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MN > 41 % May
001IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MN > 42 % Jun
001IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MN > 41 % Jul
001IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MN > 38 % Aug
001IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MN > 57 % Sep
001IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MN > 44 % Oct
001IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MN > 48 % Nov
001IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MN > 52 % Dec
001IC25 Static Renewal 7 Day Chronic ChrpimephalesDAILY MN > 70 % Jan
001IC25 Static Renewal 7 Day Chronic ChrpimephalesDAILY MN > 71 % Feb
001IC25 Static Renewal 7 Day Chronic ChrpimephalesDAILY MN > 53 % Mar
001IC25 Static Renewal 7 Day Chronic ChrpimephalesDAILY MN > 33 % Apr
001IC25 Static Renewal 7 Day Chronic ChrpimephalesDAILY MN > 41 % May
001IC25 Static Renewal 7 Day Chronic ChrpimephalesDAILY MN > 42 % Jun
001IC25 Static Renewal 7 Day Chronic ChrpimephalesDAILY MN > 41 % Jul
001IC25 Static Renewal 7 Day Chronic ChrpimephalesDAILY MN > 38 % Aug
001IC25 Static Renewal 7 Day Chronic ChrpimephalesDAILY MN > 57 % Sep
001IC25 Static Renewal 7 Day Chronic ChrpimephalesDAILY MN > 44 % Oct
001IC25 Static Renewal 7 Day Chronic ChrpimephalesDAILY MN > 48 % Nov
001IC25 Static Renewal 7 Day Chronic ChrpimephalesDAILY MN > 52 % Dec

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states